# Study Finds Message Format Effects in Multi-Agent Handoffs Depend on Model Tier

A paper reconciles two conflicting literatures, reporting that whether structured messages help or hurt agent relays varies with model capability.

- Published: 2026-07-14T05:33:22.579Z
- Canonical: https://polylog.news/ai/2026-07-14/study-finds-message-format-effects-in-multi-agent-handoffs-d
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [arXiv](https://arxiv.org/abs/2607.09678)

When large-language-model agents hand information to one another, does the message format matter? A paper posted today notes that two research literatures disagree. Format-optimization work reports that structured messages cut cost without…

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